Our Company

Based in Birmingham, Durferrit UK is established as the leading supplier for heat treatment salts in the UK. We stock a wide range of salts for heat treatment processes such as nitrocarburising, carburising, tempering and annealing. The majority of our products are manufactured at our facilities in Mannheim, Germany and are kept in stock in Birmingham for our UK customer base.

Durferrit UK is a member of the privately owned French company, HEF Groupe whose operational headquarters is in Andrézieux-Bouthéon. HEF Groupe is a world leader in surface engineering with expertise in the following:

Durferrit are able to offer sub-contract handling and advice on all HEF Groupe surface treatment processes. See the HEF Groupe page for more information.

Centrally based within the UK, Durferrit UK offers exceptionally high quality products, backed up by the highest industry standard quality control procedures and are all REACH compliant. With over 50 years’ experience in the area of thermochemical treatment within our group, complete technical support is offered to customers at every stage of a project.

Durferrit UK recognise the intense manufacturing demands placed on customers so we offer an optimum order turnaround on all orders.

Learn more about our products

Durferrit UK offer a wide variety of HEF Durferrit salts which are used in molten form within a temperature range of 150°C to 1300°C. Find out more information on our products and the common processes our salts are used for. Read more…

In addition to the HEF Durferrit products stocked in the UK, other ranges of salts are available which are manufactured at our plant in Germany. All of these products can be ordered through Durferrit UK. Read more…


We’d love to hear from you.

Whether you have a question about our products, services or prices, our team is ready to answer all your questions.